SSE disconnect not detected 

In 2.1.2 there seems to be an issue with detecting the end of an SSE stream. 
In 2.1.1 connDeathWatch is called when connection ends, but not in 2.1.2.

More information: https://groups.google.com/forum/#!topic/play-framework/IUWTfhf8Si4
Version used: official 2.1.2 download
Environment: Sun/Oracle Java 1.7.0_25 (latest), both on OS X and Ubuntu 12.10
Code in question: **[matthiasn/sse-chat](https://github.com/matthiasn/sse-chat/blob/151201281cfd88322f90409fa0caf08d803bb283/app/controllers/ChatApplication.scala)**